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Lodash _concat vs native concat
(version: 0)
Comparing performance of:
Lodash vs Native
Created:
6 years ago
by:
Guest
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HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Script Preparation code:
var array = [1]
Tests:
Lodash
_.concat(array, 2, [3], [[4]])
Native
array.concat(2, [3], [[4]])
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Lodash
Native
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of MeasureThat.net and explore what's tested in this specific benchmark. **What is being tested?** The provided JSON represents a benchmark test that compares two approaches to concatenate arrays: using Lodash (`_concat`) and using native JavaScript methods (`concat`). **Options compared:** There are two options being compared: 1. **Lodash `_concat`**: This method is part of the popular utility library Lodash. It concatenates two or more arrays, returning a new array with the elements from both arrays. 2. **Native `concat`**: This method is a built-in function in JavaScript that concatenates two or more arrays, returning a new array with the elements from both arrays. **Pros and cons of each approach:** 1. **Lodash `_concat`**: * Pros: + Easy to use and understand + Provides additional functionality beyond just array concatenation (e.g., merging objects) + Often included in projects as a utility library * Cons: + Adds extra overhead due to the inclusion of an external library + May have performance implications if not optimized correctly 2. **Native `concat`**: * Pros: + No added overhead due to including an external library + Optimized for performance and is typically faster than Lodash's implementation * Cons: + Can be less readable or easier to mistake, especially for those unfamiliar with the method **Library:** Lodash is a popular JavaScript utility library that provides a wide range of functions for tasks such as array manipulation, string manipulation, and more. It is commonly used in projects due to its ease of use and extensive set of features. **Special JS feature or syntax:** None mentioned in this benchmark. However, it's worth noting that MeasureThat.net often includes benchmarks for various JavaScript features and libraries, so keep an eye out for other interesting tests! **Other alternatives:** If you're interested in exploring alternative approaches to array concatenation, here are a few: * `Array.prototype.push.apply()` (a more verbose but still effective method) * `Array.prototype.unshift()` with `slice()` or other methods to create a new array * Using other libraries like Underscore.js or Moment.js for array manipulation Keep in mind that these alternatives may have varying levels of performance, readability, and convenience compared to the Lodash `_concat` and native `concat` methods.
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